National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

71°F

22°C

Humidity 76%
Wind Speed NA
Barometer 30.17 in (1020.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 26 May 11:53 am EDT
Extended Forecast for

2 Miles ENE Williamsburg PA

  • Today

    Today: A slight chance of showers after 2pm. Mostly cloudy, with a high near 78. Light south wind. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly after 11pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 3pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 79. Light west wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Light west wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 76. North wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers after 2pm. Mostly cloudy, with a high near 78. Light south wind. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly after 11pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 3pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 79. Light west wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Light west wind.
Thursday
Sunny, with a high near 76. North wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Williamsburg PA
 40.47°N 78.18°W (Elev. 1053 ft)
Last Update:
10:56 am EDT May 26, 2026
Forecast Valid:
11am EDT May 26, 2026-6pm EDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation